B.Pharmacy (Semester VI) (CGPA) Examination, 2018
Pharmaceutical Analysis IV
Day and Date Monday, 14-5-2018 Max. Marks 70
Time 10.30 a.m. to 1.30 p.m.
1. Multiple choice questions (1×15=15)
Nujol is
Hexachlorobutadine Mineral oil
Perfluorokerosene Flurolube
The glass electrode used in pH measurement is
Metal-Metal oxide electrode Membrane electrode
Ion selective electrode None of above
The unit of measurement of conductance is
Ohms Amperes
Mhos Mill volts
A target material used in production of X-rays is
Potassium Copper
Aluminum Sodium
X-ray spectral lines Kα doublet arises from transition of electrons from
M shell to K shell L shell to K shell
L shell to M shell M shell to L shell
IR spectra appear as dip in curve rather than maxima as in UV visible spectra because it is plot of
Absorbance Vs Wave Number Transmittance Vs Concentration
Absorbance Vs Concentration Transmittance Vs Wave Number
P.T.O.
P
SLR-TA 41 *SLRTA41*
If the position of atom changes with respect to original bond axis is called as
Stretching Rocking
Scissoring Bending
Crystal structure can be studied by using
X-ray absorption method X-ray diffraction method
X-ray fluorescence method X-ray emission method
Which of the following can be detected by using X-ray diffraction method
Polymer characterization Tooth enamel
Detection of Na and K in Urine Both and
10) The electro chemical method used to measure the electromotive force is called as
Potentiometry Conductometry
Polarography Amperometry
11) Which is the example for Weak Acid Vs Strong Base
HCl Vs NaOH CH3COOH Vs NaOH
HCl Vs NH4OH CH3COOH Vs NH4OH
12) The conductivity of solution changes due to
Change in number of ions Mobility of ions
Both and Concentration of ions
13) Which of the following electrode can be used as both reference and indicator electrode
Glass electrode Hydrogen electrode
Saturated calomel electrode Antimony electrode
14) Calibration of IR can be done by using
Polyethelene Polyporylene
Polyphenyl Polysterene
15) The region below 1500 cm-1 is called as
Infrared active region Functional group region
Finger print region Dipole moment region
Set P
*SLRTA41* SLR-TA 41
2. Answer any 5
Write a note on particle size distribution by using X-ray techniques.
Define specific rotation, molar refraction, specific refractive index increment. Add a note on factors affecting refractive index.
Enlist different types of electrodes in potentiometer. Add a note on normal hydrogen electrode.
What are the requirements of molecule to absorb IR radiations
Explain finger print region. Add a note on different vibrational modes.
How will you identify the substance by using IR
3. Answer any 3 (3×10=30)
Explain the instrumentation of X-ray diffraction. Add a note on production of X-rays.
Explain different types of conductometric titrations.
Explain TG curve. Add a note on factors affecting TG curve.
Explain the factors influencing vibrational frequencies. Add a note on detectors used in IR.